Endings
While RimWorld can be played for several hours or indefinitely, the game can come to an end in a few different ways.
Colony Death
If and when the final colonist is lost (dead or kidnapped), the game will present a message that everyone is dead or gone. You can exit to the main menu or 'Keep playing'. If you continue playing, there is very little to do, but time continues to pass and events still trigger. If the 'wanderer joins' or 'refugee chased' events trigger, you can resume playing.
Ship Launch
If a spaceship is constructed you can load some or all of the colonists into the ship cryptosleep caskets to depart the planet.
To launch the ship, select the ship computer core and click the 'Launch ship' button. Any colonists not on the ship will be left behind. Once you confirm the launch, you hear the roar of rocket engines as the screen fades to white. The credits roll as the ending theme song plays.
Journey Offer
After a short time the game will present a message that a friendly AI has offered you passage on his spaceship. The location is marked on the world map by a purple flag (or circle when zoomed in) and will be a considerable distance away. You can send colonists there by caravan or land in by transport pod, but the long journey will take many legs.
Launching the friendly ship is much the same as launching a colony ship.
To launch the ship, select the group of colonists at the journey destination and click the 'Take off' button. Any colonists not with the ship will be left behind. Once you confirm the launch, you hear the roar of rocket engines as the screen fades to white. The credits roll as the ending theme song plays.